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argument of perigee |
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argument of perigee [′är·gyə·mənt əv ′per·ə·jē] (astronomy) The angle or arc, as seen from a focus of an elliptical orbit, from the ascending node to the closest approach of the orbiting body to the focus; the angle is measured in the orbital plane in the direction of motion of the orbiting body. Also known as argument of perihelion. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The argument of perigee, [omega], is the angle from the ascending node to the perigee, or the point on the orbit nearest to Earth. |
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